patch 8.2.0217: terminal test fails on Mac

Problem:    Terminal test fails on Mac.
Solution:   Add a short wait.
diff --git a/src/version.c b/src/version.c
index 45b4cc2..5a11a1f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    217,
+/**/
     216,
 /**/
     215,